Home / 7,065.90-10,585.92-3,310.78

Finding the Fourth Proportional to 7,065.90, 10,585.92 and 3,310.78

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Solution

The fourth proportional to 7,065.90, 10,585.92 and 3,310.78 is: 4,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.90 : 10,585.92 = 3,310.78 : x
  2. Step 2: Convert to fraction form
    7,065.90/10,585.92 = 3,310.78/x
  3. Step 3: Cross multiply
    7,065.90x = 10,585.92 × 3,310.78
  4. Step 4: Simplify right side
    7,065.90x = 35,047,652.22
  5. Step 5: Solve for x
    x = 35,047,652.22/7,065.90
  6. Step 6: Final answer
    x = 4,960.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.